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intorextspray.m
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intorextspray.m
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%% check if part is hollow, if yes, give option for external of internal spray
%
%Part is analysed and closed cavities or hollow structure (which enables
%internal spray) are detected. User input is considered in the case both external and internal spraying are possible.
%
% f-> OUTPUT/ Integer flag indicating external or internal spray. ** f
% CANNOT BE BOOLEAN TYPEBECUSE IT IS USED AS AN INTEGER IN THE SUBSEQUENT
% CALCULATIONS**
% p-> cell array of size (N x 1, where N is the number of calculated sprayed passes) containing the coordinates of each sprayed pass as a 3D polygon (M x 3)
%
%%___________________
%Author: Vasileios Katranidis, University of Surrey, UK 2017
%
%
function f=intorextspray (p)
a=cell2mat(cellfun(@size,p,'uni',false));% store the nuber of polygons per pass. 'a' is a temporary array
if sum(a(:,2))==2*length(a(:,1))
prompt = 'Part is hollow. Internal or external spray? int/ext: ';
str = input(prompt);
if str == 'int'
f=2;
c='Internal spray mode selected';
elseif str == 'ext'
f=1;
c='External spray mode selected';
else
f=1;
c='invalid argyument, external spray selected by default';
end
elseif sum(a(:,2))==length(a(:,1))
c='Part is solid. External spray only';
f=1;
else
c='Part contains closed cavities. External spray only';
f=1;
end
disp(c);
end